204673 has 6 divisors (see below), whose sum is σ = 238146. Its totient is φ = 175392.

The previous prime is 204667. The next prime is 204679. The reversal of 204673 is 376402.

204673 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (204667) and next prime (204679).

It can be written as a sum of positive squares in only one way, i.e., 200704 + 3969 = 448^2 + 63^2 .

It is not a de Polignac number, because 204673 - 2⁵ = 204641 is a prime.

It is a Duffinian number.

204673 is a lucky number.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (204679) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2040 + ... + 2137.

It is an arithmetic number, because the mean of its divisors is an integer number (39691).

2²⁰⁴⁶⁷³ is an apocalyptic number.

It is an amenable number.

204673 is a deficient number, since it is larger than the sum of its proper divisors (33473).

204673 is an equidigital number, since it uses as much as digits as its factorization.

204673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4191 (or 4184 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 204673 is about 452.4080016976. The cubic root of 204673 is about 58.9323172922.

The spelling of 204673 in words is "two hundred four thousand, six hundred seventy-three".